 鲜花( 53)  鸡蛋( 0)
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5# manyu
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找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:
6 u9 s# H/ t4 R- U; u* [4 t' ~1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
3 \7 L( F1 \) x$ }! X2. supporting beams are a bit too far away from each other.
" F5 B( l4 W) c! R3. supporting beams are not level due to earth settlement.7 z/ D& I* e6 i! n9 e4 t3 D
) t) _" J* x1 k" ~For 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself.7 G6 d, }7 @2 R5 r! \. c
But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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